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Finding the Fourth Proportional to 30,220.58, 41,701.95 and 17,474.58

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Solution

The fourth proportional to 30,220.58, 41,701.95 and 17,474.58 is: 24,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.58 : 41,701.95 = 17,474.58 : x
  2. Step 2: Convert to fraction form
    30,220.58/41,701.95 = 17,474.58/x
  3. Step 3: Cross multiply
    30,220.58x = 41,701.95 × 17,474.58
  4. Step 4: Simplify right side
    30,220.58x = 728,724,078.31
  5. Step 5: Solve for x
    x = 728,724,078.31/30,220.58
  6. Step 6: Final answer
    x = 24,113.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.